Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Em qual data foi estabelecido o registro de 27-28-11?
 ###Tabelas: CREATE TABLE match_log_and_statistics (match_log_and_statistics_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Matches INT, Innings INT, Wickets INT, Average VARCHAR, BBI VARCHAR, BBM VARCHAR, 5wi INT) CREATE TABLE railway_stations_currently_in_use (railway_stations_currently_in_use_id AUTO_INCREMENT PRIMARY KEY, Station (and code) VARCHAR, Managed by VARCHAR, Lines served VARCHAR, Station users 2007/8 INT, Station users 2008/9 VARCHAR, Year opened VARCHAR, Platforms VARCHAR, Borough VARCHAR) CREATE TABLE casts (casts_id AUTO_INCREMENT PRIMARY KEY, Role VARCHAR, Original Broadway cast VARCHAR, Closing Broadway cast VARCHAR, Original US Tour cast VARCHAR, Original NonEquity Tour cast VARCHAR, Original São Paulo cast VARCHAR, Original Lima cast VARCHAR) CREATE TABLE all-time_medal_tables (all-time_medal_tables_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Nation VARCHAR, Gold INT, Silver INT, Bronze INT, Total INT) CREATE TABLE regular_season (regular_season_id AUTO_INCREMENT PRIMARY KEY, Game INT, Date VARCHAR, Opponent VARCHAR, Score VARCHAR, First Star VARCHAR, Decision VARCHAR, Location VARCHAR, Attendance INT, Record VARCHAR, Points INT)  
SELECT Date FROM regular_season WHERE Record = 27-28-11